Blower fan



FIG. 1 is a perspective view of a blower fan in accordance with anembodiment of the present invention;

FIG. 2 is a front elevation view of the blower fan of FIG. 1;

FIG. 3 is a rear elevation view of the blower fan of FIG. 1;

FIG. 4 is a left side elevation view of the blower fan of FIG. 1;

FIG. 5 is a right side elevation view of the blower fan of FIG. 1;

FIG. 6 is a top plan view of the blower fan of FIG. 1; and,

FIG. 7 is a bottom plan view of the blower fan of FIG. 1.

The broken lines represent environment and form no part of the claim.

CLAIM The ornamental design for a blower fan, substantially as shown anddescribed.